Public Overridable Function IsSelected( _
   ByVal row As Integer, _
   ByVal column As Integer _
) As Boolean

Dim instance As BaseSheetSelectionModel
Dim row As Integer
Dim column As Integer
Dim value As Boolean
 
value = instance.IsSelected(row, column)

public virtual bool IsSelected( 
   int row,
   int column
)

FarPoint.Web.Spread.Model.BaseSheetSelectionModel bsm;
bool b;
bsm = (FarPoint.Web.Spread.Model.BaseSheetSelectionModel)FpSpread1.ActiveSheetView.SelectionModel;
bsm.AddSelection(0, 0, 2, 2);
bsm.AddSelection(1, 1, 3, 3);
b = bsm.IsSelected(1, 1);
Response.Write(b.ToString()); 

Dim bsm As FarPoint.web.Spread.Model.BaseSheetSelectionModel
Dim b As Boolean
bsm = FpSpread1.ActiveSheetView.SelectionModel
bsm.AddSelection(0, 0, 1, 1)
bsm.AddSelection(1, 1, 3, 3)
b = bsm.IsSelected(1, 1)
Response.Write(b.ToString())